.top {
    display: flex;
    margin-left: 20px;
    /* margin-top: 30px; */
  }
  .box {
    width: 100%;
    height: 100px;
    margin-top: 20px;
    border: 1px solid #ccc;
  }
  .h2 {
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: #fff;
    position: relative;
    top: -18px;
    margin-left: 20px;
  }
  